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Old 09-27-2011, 10:46 AM   #1
jwg383   jwg383 is offline
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Question Fuel processor for slip on's?

Hey Guys,

When only adding slip on mufflers instead of a full exhaust system, is a fuel processor still needed for a proper tune? Would a processor be beneficial even with a stock bike?

Thanks for the knowledge
Wes
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Old 09-27-2011, 10:53 AM   #2
blowndodge   blowndodge is offline
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After market processors are still needed on a stock Nomad...
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Old 09-27-2011, 12:05 PM   #3
azcruizer   azcruizer is offline
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If you're just adding slip on mufflers, you do not need to add a fuel processor. You will however hear more popping on decel. A fuel processor with a proper map will all but eliminate that....and a fuel processor with an aftermarket air intake will create a lot more power...just sayin' :-)
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Old 10-22-2011, 09:27 AM   #4
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Even just adding slip ons you need to install a fuel processor.The popping is telling you that your engine is running"LEAN". After a while the pipes will discolor, blue or brown and then possible major prolems
I just installed V&H slip-ons, Power Commander V and the Thunder K&N vertical air kit. Runs and sounds GREAT and no backfiring. Pay now or pay later!! Hope this helps.

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Old 10-22-2011, 05:08 PM   #5
doctorgski   doctorgski is offline
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Quote:
Originally Posted by mweaver View Post
Even just adding slip ons you need to install a fuel processor.The popping is telling you that your engine is running"LEAN". After a while the pipes will discolor, blue or brown and then possible major prolems
I just installed V&H slip-ons, Power Commander V and the Thunder K&N vertical air kit. Runs and sounds GREAT and no backfiring. Pay now or pay later!! Hope this helps.

Mike
After 68000 miles I could see no blue on the pipes...all w/o a fuel processor and slip-ons only. Wonder how long it would have taken for the blue to show up?



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Old 10-31-2011, 10:44 PM   #6
mweaver   mweaver is offline
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Not everyone has been so lucky!!

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Old 11-01-2011, 02:24 AM   #7
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The popping is the reed valves. And I've never had a set of pipes (factory or otherwise) that haven't had at least a little bit of bluing (other than a set of Hard Kromes once but I think they're double walled pipes).
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Old 11-01-2011, 09:36 AM   #8
recumbentbob   recumbentbob is offline
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Stock 08 Nomad, I put a fuel processor on it to stop the pinging and after installing it the fan almost never came on.

Since then I have installed Chuckster's dual plate intake kit. My friend has a 07 stock nomad no processor. We rode in a small parade this past Saturday. Temp was 52 deg and it was slow because of the people walking my fan never came on and his never shut off.
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Old 11-01-2011, 10:59 AM   #9
jwg383   jwg383 is offline
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Since I first posted this thread, I've added a set of Cobra billet tipped slip on's, a Cobra Power Pro tuner, and a K&N filter.
Bike runs great. The mods made a huge performance and rideability difference, BUT, the pipe tips are still blueing, it still pops on decel, and the fan still runs fairly often.
In my case, a tuner is not a cure all, but I'm still very happy with it.
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